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CVE-2026-10033— EventON Action User <= 2.5.14 - Missing Authorization to Unauthenticated Privilege Escalation via evoau_save_capability AJAX Action

Quick assessment

Affected
EventON EventON Action User
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

EventON Action User是EventON公司的一款活动调度动作用户插件。 EventON Action User 2.5.14及之前版本存在授权问题漏洞，该漏洞源于未正确验证用户是否授权执行操作，可能导致未经身份验证的攻击者授予EventON管理能力和上传文件能力给任何非管理员角色或用户，从而提升权限。

CVSS 7.3 · High EPSS 0.34% · P25

Affected Version Matrix 1

VendorProduct Version RangeStatus
EventON EventON Action User ≤ 2.5.14 affected
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I. Basic Information for CVE-2026-10033

Vulnerability Information
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Vulnerability Title
EventON Action User <= 2.5.14 - Missing Authorization to Unauthenticated Privilege Escalation via evoau_save_capability AJAX Action
Source: CVE Program / CVE List V5
Vulnerability Description
The EventON Action User plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 2.5.14. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for unauthenticated attackers to grant EventON management capabilities and the upload_files capability to any non-administrator WordPress role or user, escalating their privileges within the site. The administrator role is protected by an early-return guard in update_role_caps(), so only non-administrator roles and individual users can be targeted; however, the same unauthenticated exposure also allows attackers to enumerate all WordPress users with their IDs and display names, disclose role and user capability state along with nonce values, and tamper with event-to-user term assignments.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
EventON Action User 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
EventON Action User是EventON公司的一款活动调度动作用户插件。 EventON Action User 2.5.14及之前版本存在授权问题漏洞，该漏洞源于未正确验证用户是否授权执行操作，可能导致未经身份验证的攻击者授予EventON管理能力和上传文件能力给任何非管理员角色或用户，从而提升权限。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
EventON EventON Action User 0 ~ 2.5.14 -

II. Public POCs for CVE-2026-10033

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III. Intelligence Information for CVE-2026-10033

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Security Blog Posts for CVE-2026-10033 (1)

IV. Related Vulnerabilities

Same vendor: EventON
Same weakness: CWE-862

V. Comments for CVE-2026-10033

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